Cooper, RA and Spaeth, DM and Jones, DK and Boninger, ML and Fitzgerald, SG and Guo, S
(2002)
Comparison of virtual and real electric powered wheelchair driving using a position sensing joystick and an isometric joystick.
Medical Engineering and Physics, 24 (10).
703 - 708.
ISSN 1350-4533
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Abstract
There are limited interface options for electric powered wheelchairs, which results in the inability of some individuals to drive independently. In addition, the development of new interface technologies will necessitate the development of alternative training methods. This study compares a conventional position sensing joystick to a novel isometric joystick during a driving task in a virtual environment and a real environment. The results revealed that there were few differences in task completion time and root-mean-square error (RMSE) between the two types of joysticks. There were significant correlations between the RMSE in the virtual environment and the real environment for both types of joysticks. The data indicate that performance in the virtual environment was representative of driving ability in the real environment, and the isometric joystick performed comparably to the position sensing joystick. © 2002 IPEM. Published by Elsevier Science Ltd. All rights reserved.
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